package com.atguigu.video.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.aliyuncs.vod.model.v20170321.DeleteVideoResponse;
import com.aliyuncs.vod.model.v20170321.GetPlayInfoRequest;
import com.aliyuncs.vod.model.v20170321.GetPlayInfoResponse;
import com.atguigu.servicebase.handler.GuliException;
import com.atguigu.video.service.VodService;
import com.atguigu.video.utils.ConstantPropertiesUtil;
import com.atguigu.video.utils.InitObject;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {

    @Override
    public String uploadVideoAly(MultipartFile file) {

        try {
            //accessKeyId, accessKeySecret
            //fileName：上传文件原始名称
            // 01.03.09.mp4
            String fileName = file.getOriginalFilename();
            //title：上传之后显示名称
            String title = fileName.substring(0, fileName.lastIndexOf("."));
            //inputStream：上传文件输入流
            InputStream inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstantPropertiesUtil.ACCESS_KEY_ID,ConstantPropertiesUtil.ACCESS_KEY_SECRET,title, fileName, inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
            }
            return videoId;
        }catch(Exception e) {
            e.printStackTrace();
            return null;
        }

    }

    @Override
    public void removeVideo(String videoId) {
        try{
            DefaultAcsClient client = InitObject.initVodClient(
                    ConstantPropertiesUtil.ACCESS_KEY_ID,
                    ConstantPropertiesUtil.ACCESS_KEY_SECRET);

            DeleteVideoRequest request = new DeleteVideoRequest();

            request.setVideoIds(videoId);

            DeleteVideoResponse response = client.getAcsResponse(request);

            System.out.print("RequestId = " + response.getRequestId() + "\n");

        }catch (Exception e){
            throw new GuliException(20001, "视频删除失败");
        }
    }
    //批量删除阿里云上的视频
    @Override
    public void removeVideoByIds(List<String> sourceIds) {
        try{
            DefaultAcsClient client = InitObject.initVodClient(
                    ConstantPropertiesUtil.ACCESS_KEY_ID,
                    ConstantPropertiesUtil.ACCESS_KEY_SECRET);

            DeleteVideoRequest request = new DeleteVideoRequest();

            String ids = StringUtils.join(sourceIds.toArray(), ",");
            request.setVideoIds(ids);

            DeleteVideoResponse response = client.getAcsResponse(request);

            System.out.print("RequestId = " + response.getRequestId() + "\n");

        }catch (Exception e){
            throw new GuliException(20001, "视频删除失败");
        }
    }

    @Override
    public String getUploadVideoTitleBySourceId(String sourceId) throws ClientException {
        DefaultAcsClient client = InitObject.initVodClient(
                ConstantPropertiesUtil.ACCESS_KEY_ID,
                ConstantPropertiesUtil.ACCESS_KEY_SECRET);
        //创建获取视频地址request和response
        GetPlayInfoRequest request = new GetPlayInfoRequest();
        GetPlayInfoResponse response = new GetPlayInfoResponse();

        //向request对象里面设置视频id
        request.setVideoId(sourceId);

        //调用初始化对象里面的方法，传递request，获取数据
        response = client.getAcsResponse(request);
        return response.getVideoBase().getTitle();
    }

}
